23 12 060 Replacing radial shaft seal for output flange (GS6-17BG)
WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 2018 BMW 320i xDrive, 2018 BMW 320i, 2017 BMW 320i xDrive, 2017 BMW 320i, and 2016 BMW 335i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
IMPORTANT:
After completion of repair work, check TRANSMISSION OIL LEVEL
.
Use only approved transmission oil.
Failure to comply with this instruction will result in serious damage to the transmission.
Use only approved transmission oil.
Failure to comply with this instruction will result in serious damage to the transmission.
Necessary preliminary tasks:
- Remove exhaust system . See REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM or REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM .
- Remove cross member . See REPLACING CROSS MEMBER FOR TRANSMISSION MOUNTING or REPLACING CROSS MEMBER FOR TRANSMISSION MOUNTING . (Not N47)
- Partially remove propeller shaft
. See COMPLETELY REMOVING AND INSTALLING PROPELLER SHAFT (INSERTED - REAR FLEXIBLE DISC) (WITHOUT VIBRATION ABSORBER)
or 26 11 000 REMOVING AND REFITTING COMPLETE PROPELLER SHAFT (PUSH-FIT - FLEXIBLE JOINT AT REAR) (WITH VIBRATION ABSORBER)
.
- Disconnect propeller shaft at transmission.
- Release center mount.
- Tie up propeller shaft to underbody.NOTE: Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft!
Brace output flange with special tool 23 0 020 .
Undo collar nuts with special tool 23 1 210.
Tightening torque 23 21 1AZ .
Insert collar nut with Loctite 243 screw locking adhesive (sourcing reference: BMW Parts Service).
Detach output flange from output shaft using special tool 33 1 150 .
Pull out radial shaft seal with special tool 00 5 011.
Installation note:
Coat sealing lips of new radial shaft seal with transmission oil.
Drive in radial shaft seal with special tool 24 0 110 and plastic hammer until flush.